Amid heated national debates on immigration in Europe and the US, economic research is increasingly showing that migration is good both for countries of origin and for countries of destination, and for the global economy. But crucially missing from the current debate is how migration, when increasingly driven by man-made calamities, is sweeping under the carpet underlying problems of environmental destruction, overpopulation and joblessness. While favouring migration on grounds of overall economic well-being, the top priority must be to address these contributing factors.
Consider first the global balance on migration. Some 250m people — 3 per cent of the global population — are migrants, of which 20m are refugees fleeing armed conflicts and persecution, and escaping poverty and, increasingly, the effects of natural disasters. The US, Russia, Germany, Saudi Arabia, UK and India are in the top 10 destinations in terms of numbers of arrivals. Migration helps to lower unemployment rates at home and raises remittances, which are vital economic pillars in many economies such as Bangladesh, El Salvador, Nepal and the Philippines. In 2015, the remittances of overseas workers to developing countries amounted to nearly $450bn, three times official development assistance going to the developing world. Read more